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Quantum Dots Deliver Vaccines, Encode Vaccination History in the Skin

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CAMBRIDGE, Mass., Jan. 7, 2020 — Using fluorescent quantum dots, an MIT research team has created a way to administer vaccinations and record a patient’s vaccination history in the skin. The researchers developed a microneedle platform that can selectively deliver microparticles into the skin in various patterns, which remain invisible to the naked eye but can be detected in the infrared (IR) using a smartphone that has the IR filter removed. The microparticles contain quantum dots, which store the person’s vaccination history in a pattern of dye that is delivered under the skin at the same time as the vaccine....Read full article

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    Photonics.com
    Jan 2020
    GLOSSARY
    quantum dots
    Also known as QDs. Nanocrystals of semiconductor materials that fluoresce when excited by external light sources, primarily in narrow visible and near-infrared regions; they are commonly used as alternatives to organic dyes.
    Research & TechnologyeducationAmericasMITlight sourcesmaterialsSensors & Detectorsbiosensorsquantum dotsfluorescent dyeBiophotonicsPoint-of-careVaccinationsmedicalmedicinemedical care in low-resource settingsmedical recordkeeping

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